How do I make a Chowder-esque texture?
The texture Coordinate node has an output called 'Window'. That means a texture is mapped according to the four corners of your rendered image.



Just create a texture that has the same aspect ration as your picture and you are done.



Tvtropes puts it nicely: It's as if the clothing the character is wearing isn't so much patterned as it is a cloth-based wormhole to a similarly patterned universe (unmoving plaid).

And this is how it looks: